app/codehosting: use code.hackerspace.pl as canonical name

Change-Id: Ifdad75922bec45b8626b8fcbd14951fc2c64c879
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1687
Reviewed-by: q3k <q3k@hackerspace.pl>

app/codehosting/forgejo.libsonnet

@@ -44,6 +44,7 @@ local postgres = import "../../kube/postgres.libsonnet";
         # Forgejo configuration, roughly representing the structure of app.ini
         instanceName: error "instanceName (e.g. 'Warsaw Hackerspace Forgejo') must be set",
         runMode: "prod",
+        altDomains: [],
         server: {
             domain: error "domain (e.g. git.hackerspace.pl) must be set",
             sshDomain: cfg.server.domain,
@@ -235,17 +236,18 @@ local postgres = import "../../kube/postgres.libsonnet";
         },
         spec+: {
             tls: [
-                { hosts: [cfg.server.domain], secretName: forgejo.name("acme") },
+                { hosts: [cfg.server.domain] + cfg.altDomains, secretName: forgejo.name("acme") },
             ],
             rules: [
                 {
-                    host: cfg.server.domain,
+                    host: domain,
                     http: {
                         paths: [
                             { path: "/", backend: forgejo.svc.name_port },
                         ],
                     },
                 }
+                for domain in [cfg.server.domain] + cfg.altDomains
             ],
         },
     },

app/codehosting/prod.jsonnet

@@ -12,8 +12,9 @@ local forgejo = import "forgejo.libsonnet";
             admin_email: "bofh@hackerspace.pl",
 
             instanceName: "Warsaw Hackerspace Codehosting",
+            altDomains: [],
             server+: {
-                domain: "git.hackerspace.pl",
+                domain: "code.hackerspace.pl",
             },
         },
     },